SE384469B - Skriv- eller kopiematerial innefattande ett forsta skikt av ett hydrofilt bindemedel innehallande sasom forsta komponent en spiro-dispyran-forening och ett andra skikt av ett hydrofilt bindemedel innehallande m.m. - Google Patents

Skriv- eller kopiematerial innefattande ett forsta skikt av ett hydrofilt bindemedel innehallande sasom forsta komponent en spiro-dispyran-forening och ett andra skikt av ett hydrofilt bindemedel innehallande m.m.

Info

Publication number
SE384469B
SE384469B SE818171A SE818171A SE384469B SE 384469 B SE384469 B SE 384469B SE 818171 A SE818171 A SE 818171A SE 818171 A SE818171 A SE 818171A SE 384469 B SE384469 B SE 384469B
Authority
SE
Sweden
Prior art keywords
layer
hydrophilt
hydrophalde
dispyrane
spiro
Prior art date
Application number
SE818171A
Other languages
English (en)
Inventor
E Kunkel
H Greschenz
Original Assignee
Wagner Gunther Pelikan Werke
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wagner Gunther Pelikan Werke filed Critical Wagner Gunther Pelikan Werke
Publication of SE384469B publication Critical patent/SE384469B/sv

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/22—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using chemical indicators

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Color Printing (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
SE818171A 1970-06-27 1971-06-23 Skriv- eller kopiematerial innefattande ett forsta skikt av ett hydrofilt bindemedel innehallande sasom forsta komponent en spiro-dispyran-forening och ett andra skikt av ett hydrofilt bindemedel innehallande m.m. SE384469B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702031943 DE2031943A1 (de) 1970-06-27 1970-06-27 Verbessertes Farbreaktionspapier

Publications (1)

Publication Number Publication Date
SE384469B true SE384469B (sv) 1976-05-10

Family

ID=5775175

Family Applications (1)

Application Number Title Priority Date Filing Date
SE818171A SE384469B (sv) 1970-06-27 1971-06-23 Skriv- eller kopiematerial innefattande ett forsta skikt av ett hydrofilt bindemedel innehallande sasom forsta komponent en spiro-dispyran-forening och ett andra skikt av ett hydrofilt bindemedel innehallande m.m.

Country Status (4)

Country Link
BE (1) BE768952A (sv)
DE (1) DE2031943A1 (sv)
GB (1) GB1343158A (sv)
SE (1) SE384469B (sv)

Also Published As

Publication number Publication date
GB1343158A (en) 1974-01-10
BE768952A (fr) 1971-11-03
DE2031943A1 (de) 1972-01-13

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